The following is information related to the defined benefit pension plan of PT. Archipelago:

Plan asset (fair value) 1 January 2015 6.146.100.000

Defined benefit obligation 1 January 2015 8.194.800.000

Pension asset/ liability (Cr.) 2.048.700.000

Service cost 2015 1.024.350.000

Actual return on plan assets 2015 614.610.000

Past service cost effective 1 January 2015 1.638.960.000

Contributions 2015 1.570.670.000

Benefits paid to retirees 2015 956.060.000

Discount rate 8%

Requested: Calculate pension expense in 2015 by making a pension worksheet! Journalize for retirement expense!